PowerFit connectors are well fabricated and compatible with major brands of single-pole power connector. The invented patent key releasing pin, particularly embedded on each line source and panel source, delivers great safety and convenience without additional tool while uncoupling. PowerFit is made in high standards. Full series employ high impact and temperature resistance thermoplastic, with flame retardant compound. Ergonomic rubber hand grip on each line connector provides the great comfort to the utility. The M40 cable gland comes standard and while connectors mated, it becomes IP67 rated. Unsurpassed pushing button design makes the handling of coupling and uncoupling easier. Respective phase and line information is clearly marked on the connectors for easy identification. The contact is made of brass with silver plated, providing excellent conductivity. Cotter pin is made of POM featuring great insulation, high stiffness, low friction and absorbent.
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Part Number Type Key Position Color Contact Cable Gland Clamping
PFLS-1BN-S120M40A Line Source Line 1 Brown Set Screw 120 mmsq M40 / 19-28 mm
PFLS-2BK-S120M40A Line Source Line 2 Black Set Screw 120 mmsq M40 / 19-28 mm
PFLS-3GY-S120M40A Line Source Line 3 Gray Set Screw 120 mmsq M40 / 19-28 mm
PFLS-NBL-S120M40A Line Source Neutral Blue Set Screw 120 mmsq M40 / 19-28 mm
PFLS-EGN-S120M40A Line Source Earth Green Set Screw 120 mmsq M40 / 19-28 mm
PFLD-2BK-S120M40A Line Source Line 1 Red C240 = 240mmsq Crimp M40B = 22-32mm
PFLS-2W-S120M40A Line Source Line 2 white C240 = 240mmsq Crimp M40B = 22-32mm
PFLS-3BL-S120M40A Line Source Line 3 Blue C240 = 240mmsq Crimp M40B = 22-32mm
PFLS-NBK-S120M40A Line Source neutral Black C240 = 240mmsq Crimp M40B = 22-32mm

- With a male contact, mating with Line Drain or Panel Drain.

- Secondary spring pin engages with a slot of source connector to prevent the connector from being uncoupled.

- Shorter POM cotter pin is equipped.

※ Never reuse cotter pin; reusing cotter pin might expose the operation to electrical danger.


- Ergonomic hand grip assists easier handling.

- Color coded and mechanically keyed to prevent mating errors.

- Contacts fitted with a plastic end cap to prevent accidental touching of live parts.

- IP 2X finger protection against electric shock.

- M40 cable gland is supplied with two rubber bushings,18mm (I.D.) and 26m (I.D.),for gripping cables up to 19-28mm diameter.

- R120 Reduction Sleeve, 16.50mm (I.D.) x 32mm(L),is included as standard for cable diameter 120mmsq; other size of sleeve is available upon request.

KUPO Powerfit


1. Innovative and key releasing pin delivers great convenience while uncoupling.
2. POM cotter pin for excellent insulation.
3. M40*1.5 cable gland with bushing for IP67.
4. Rubber bushing I.D.18 mm or 26 mm for gripping cable.
5. Brass with silver-plated for superior conductivity.
6. Silicon O-ring provides upmost airtight-alike mating.
7. Non-conductive high impact-resistant thermoplastic for max durability and safety
8. Ergonomic rubber grip offers comfort and easier handling.

Technical Information

- Current Rating: 400A continuous with 120mmsq cable.

- Withstanding Voltage: 1000Vac.

- Test Voltage: 4500Vac.

- Short Circuit Rating: Up to 35.5kA.

- Insulation Resistance: >5000 M Ohms at 500Vac.

- Contact Resistance: 0.1m Ohms.

- IP rating while mated: IP67.

- Contact Material: Brass with silver plated

- Housing Material: High Impact Resistant Thermoplastic.

- Cotter Pin Material: POM.

- Working Temperature: 45 to 85 Degree C

- Contact Type: Set Screw.

- Set Screw Torque on Brass Contact: 10.5 N/meter (minimum required).

- Mating Cycle: 500 / - Flammability: UL94-V0.

- CE and RoHS compliant. 


KUPO Powerfit
Innovative push-to-release design makes the uncoupling handy without additional tool. This can be dismantled through small slotted screwdriver if needed.
KUPO Powerfit
M40 cable gland comes with two rubber sleeves (I.D. 18mm and 26mm) for the greatest flexibility with fitting the cable.
KUPO Powerfit
Comfort handling with superior & ergonomic rubber grip.
KUPO Powerfit
R120 reduction sleeve made of brass with silver plated for accommodating up to dia. 16.50mm wire.
KUPO Powerfit
Shorter cotter pin for line source; longer one for line drain. For safety, never reuse cotter pin.

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